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Condensed Matter > Superconductivity

Title:Strong vortex-antivortex fluctuations in the type II superconducting film

Abstract: The small size vortex-antivortex pairs proliferation in type II
superconducting film is considered for the wide interval of temperatures below
Tc. The corresponding contribution to free energy is calculated. It is shown
that these fluctuations give the main contribution to the heat capacity of the
film both at low temperatures and in the vicinity of transition.